5.4

CVE-2026-12758: ibm cloud_pak_for_business_automation Missing Authorization

CVSS: 5.4v3.1MediumAwaiting analysis
Published 14-09-2026Last modified 15-09-2026

Vulnerability summary

CVE-2026-12758 is a medium (CVSS 5.4) Missing Authorization vulnerability in ibm cloud_pak_for_business_automation. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.3% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · -0.12 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-09-2026
    PublishedVulnerability first disclosed.
  2. 15-09-2026
    Last modifiedVulnerability information updated.

Description

IBM Cloud Pak for Business Automation could allow a remote attacker to bypass authorization and invoke restricted endpoints due to improper validation of HTTP headers.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

-0.12 pp

From 0.30% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ibm1 product
  • cloud_pak_for_business_automation≥ 26.0.0, ≤ 26.0.0 Interim Fix 001 | ≥ 25.0.0, ≤ 25.0.0 Interim Fix 005 | ≥ 24.0.1, ≤ 24.0.1 Interim Fix 008 | ≥ 24.0.0, ≤ 24.0.0 Interim Fix 009

1 vendor · 1 product

References

1 links